.nrxq{
    margin-top: 100px;
    overflow: hidden;
    padding: 0;
}
#content h2{
    line-height: 35px;
}
.datas ul{
    overflow: hidden;
}
.look ul{
    padding: 0;
    margin: 0;
    background-color: rgb(0, 122, 255);
    color: #fff;
}
.look li{
    display: inline-block;
    width: 32%;
    text-align: center;
    margin: 5px 0;
}
.look b{
    display: block;
    line-height: 20px;
    font-size: 14px;
}
.li_name{
    font-weight: 400;
}
.froms{

    border: 1px solid #E5E5E5;
    background: #fff;
    margin-bottom: 10px;
}
.from{
    padding: 20px;
    font-size: 16px;
    line-height: 35px;
}
.downloadBtn button{
    background-color: rgb(0, 122, 255);
    color: #fff;
}
